Yes and it’s fairly easy on the mechanical injection engine. You can buy a different profile fuel plate or like I did, grind it to the better profile. In this post there’s a picture of the different profiles. You should be seeing 25+ boost on hard acceleration.
https://www.irv2.com/forums/f123/hp-increase-by-modifying-fuel-plate-c-8-3-mechanical-232017-2.html